diff options
Diffstat (limited to 'drivers/usb/dwc2/gadget.c')
| -rw-r--r-- | drivers/usb/dwc2/gadget.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 7e5670c..79d9f3b 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -3193,7 +3193,6 @@ static int dwc2_hsotg_udc_start(struct usb_gadget *gadget, return -EINVAL; } - mutex_lock(&hsotg->init_mutex); WARN_ON(hsotg->driver); driver->driver.bus = NULL; @@ -3220,12 +3219,9 @@ static int dwc2_hsotg_udc_start(struct usb_gadget *gadget, dev_info(hsotg->dev, "bound driver %s\n", driver->driver.name); - mutex_unlock(&hsotg->init_mutex); - return 0; err: - mutex_unlock(&hsotg->init_mutex); hsotg->driver = NULL; return ret; } @@ -3246,8 +3242,6 @@ static int dwc2_hsotg_udc_stop(struct usb_gadget *gadget) if (!hsotg) return -ENODEV; - mutex_lock(&hsotg->init_mutex); - /* all endpoints should be shutdown */ for (ep = 1; ep < hsotg->num_of_eps; ep++) { if (hsotg->eps_in[ep]) @@ -3270,8 +3264,6 @@ static int dwc2_hsotg_udc_stop(struct usb_gadget *gadget) regulator_bulk_disable(ARRAY_SIZE(hsotg->supplies), hsotg->supplies); - mutex_unlock(&hsotg->init_mutex); - return 0; } @@ -3307,7 +3299,6 @@ static int dwc2_hsotg_pullup(struct usb_gadget *gadget, int is_on) return 0; } - mutex_lock(&hsotg->init_mutex); spin_lock_irqsave(&hsotg->lock, flags); if (is_on) { hsotg->enabled = 1; @@ -3321,7 +3312,6 @@ static int dwc2_hsotg_pullup(struct usb_gadget *gadget, int is_on) hsotg->gadget.speed = USB_SPEED_UNKNOWN; spin_unlock_irqrestore(&hsotg->lock, flags); - mutex_unlock(&hsotg->init_mutex); return 0; } @@ -3832,8 +3822,6 @@ int dwc2_hsotg_suspend(struct dwc2_hsotg *hsotg) if (hsotg->lx_state != DWC2_L0) return ret; - mutex_lock(&hsotg->init_mutex); - if (hsotg->driver) { int ep; @@ -3861,8 +3849,6 @@ int dwc2_hsotg_suspend(struct dwc2_hsotg *hsotg) clk_disable(hsotg->clk); } - mutex_unlock(&hsotg->init_mutex); - return ret; } @@ -3874,8 +3860,6 @@ int dwc2_hsotg_resume(struct dwc2_hsotg *hsotg) if (hsotg->lx_state == DWC2_L2) return ret; - mutex_lock(&hsotg->init_mutex); - if (hsotg->driver) { dev_info(hsotg->dev, "resuming usb gadget %s\n", hsotg->driver->driver.name); @@ -3892,7 +3876,6 @@ int dwc2_hsotg_resume(struct dwc2_hsotg *hsotg) dwc2_hsotg_core_connect(hsotg); spin_unlock_irqrestore(&hsotg->lock, flags); } - mutex_unlock(&hsotg->init_mutex); return ret; } |